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Lesson
Commercial mathematics uses cost price, selling price, discount, tax, and interest to solve everyday money problems.
Learning objectives
Explain Profit, Loss, Discount, Tax, and Interest using the correct rule or formula.
Show each calculation or construction step clearly.
Check the final answer for form, sign, and units.
Lesson
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Notes
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In this chapter
Now on Profit, Loss, Discount, Tax, and Interest. Next up: Lines, Angles, and Triangles.
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